Brake disc



FIG. 1 is a front perspective view of one embodiment of the present invention;

FIG. 2 is a back perspective view of one embodiment of the present invention;

FIG. 3 is a front elevation view of one embodiment of the present invention;

FIG. 4 is a right side elevation view of one embodiment of the present invention;

FIG. 5 is a top plan view of one embodiment of the present invention; and,

FIG. 6 is a back elevation view of one embodiment of the present invention.nd.

The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a brake disc, substantially as shown and described. 